Demineralized enamel reduces margin integrity of self-etch, but not of etch-and-rinse bonded composite restorations

Körner, Philipp; Sulejmani, Aljmedina; Wiedemeier, Daniel B; Attin, Thomas; Tauböck, Tobias T

doi:10.5167/uzh-167376

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Körner, P., Sulejmani, A., Wiedemeier, D. B., Attin, T., & Tauböck, T. T. (2019). Demineralized enamel reduces margin integrity of self-etch, but not of etch-and-rinse bonded composite restorations. Odontology : Official Journal of the Society of the Nippon Dental University, 107(3), 308–315. https://doi.org/10.1007/s10266-018-0398-6

Abstract

The aim of this study was to investigate margin integrity of Class V composite restorations in demineralized and sound enamel after bonding with different etch-and-rinse and self-etch adhesive systems. Out of a total of 60 specimens from bovine incisors, 30 specimens were demineralized (21 days, acid buffer, pH 4.95) to create artificial enamel lesions. Circular Class V cavities were prepared in all 60 specimens and treated with either an unfilled etch-and-rinse adhesive (Syntac Classic; Ivoclar Vivadent), a filled etch-and-rinse adhe